I can think that than which a greater cannot be thought. Now, if that than which a greater cannot be thought existed only in the intellect, it would not be that than which a greater cannot be thought, since it can be thought to exist in reality which is greater. It follows, then, that that than which a greater cannot be thought exists in reality.

I can think that than which a greater cannot be thought. Now, if that than which a greater cannot be thought existed only in the intellect, it would not be that than which a greater cannot be thought, since it can be thought to exist in reality which is greater. It follows, then, that that than which a greater cannot be thought exists in reality.